插件Git官方地址：https://github.com/rabbitmq/rabbitmq-delayed-message-exchange
Dockerfile
FROM rabbitmq:3.8.2-management
ADD ./rabbitmq_delayed_message_exchange-3.8.0.ez /plugins
RUN chown -R rabbitmq. /plugins/rabbitmq_delayed_message_exchange-3.8.0.ez
RUN rabbitmq-plugins enable rabbitmq_delayed_message_exchange
使用k8s部署时 configmap中需要添加配置启用插件
